William f



` (Model.)

W. P. LOTZ 8v J. LEMON.

Lamp Burner. y No. 232,992. Patented Oct. 5,1880.

NPETERS. PHOTD-LTKOGRAPHERVWASHWTUN, D. C.

Uisrrnn Starts laerienne Ormes@ TWILLIAM F. LOTZ AND JOHN LEMON, OFLONDON, ENGLAND, ASSIGNORS TO GEORGE W. MCGILL, OF NEW YORK, N. Y.

LAMP-cuanta.

SPECIFICATION forming part of Letters Patent No. 232,992, dated October5, 1880.

Application filed August 10, 1880.

To tu whom it may concern Be it known that we, WILLIAM F. LO'rZ and-JOHN LEMON, ot' the city ot' London, in the county of Middlesex,England, have ljointly invented a new and useful Improvement inLamp-Burners and we do hereby declare the f'ollowing to be a full andexact description thereof, reference being had to the accompanyingdrawings, making part ol'l this specication, and to the figuresaudletters of reference marked thereon, in which similar letters ofreference indicate corresponding parts.

rlhis invention relates to a device for extinguishing a lamp by simplyturning a key.

1t consists in a sliding tube surrounding the wick-tube, which is movedup and down upon the wick-tube by means oi' a lever-key, and having atits upper end a hinged wing operated by a spring which automaticallycloses down over the wick when said sliding tube is raised andautomatically openswhen said tube is depressed.

In the accomiianying drawings wc have shown our invention applied,first, to a lamp with double wick-tubes, and, second, to a lamp with asingle wick-tube.

Figure l is an elevation of the burner of a lamp with duplex wick-tube,which is above the oil-cup and below the detlecting-dome.

Fig. 2 is a vertical section of same in line y y of Fig. 3. Fig. 3 is avertical section in line a: .fr of Fig. 2. Fig. 4c shows a modificationto adapt our invention to a lamp with a single wick-tube.

Like letters indicate the same parts in all the figures.

fe will iirst give a detailed description of our invention as applied toa lamp with duplex wick-tubes.

A is the base of the burner, which is perforated in the usual manner. BB are the wicktubes. O C are the sliding extinguishingtubes, and c c arethe extinguishing-wings hinged thereto. D is a shaft for operating theextinguishing-tubes. d is a curved lever rigidly attached to'said shaft,and d is a key on the end of said shaft for operating the same. E is aconnecting-block between the sliding tubes C C, and rigidly attached toboth. E is a slotted stud or stirrup depending from said (Model.)

block E, through which the curved lever d passes, and c is acylindricalstud screwedinto the upper side of said connecting-block E, and thisstud c passes loosely through a horizontal plate, c, extending acrossbetween the sliding tubes, but not attached to either, so that it has avertical movement between and independently of them; Between the block Eand the plate c', and surrounding the stud e, is a spiral spring, f.

The extinguishingwings c c are bent inward at their bases below thepivots on which they turn, as shown at c in Figs. 2 and 4i, and saidinwardly-projecting bases bear upon the horizontal plate c. Saidinwardly-projecti ng bases may be formed by bending or striking up thelower ends of the wings c c or by soldering thereto strips ot' metal, asshown in the drawings.

From the shaft D a lever, d, Fig. 2, pro- 7ov jects laterally, to whicha string, df., may be attached for operating the extinguisher when thelamp is in an elevated position.

The operation is as follows: When the lamp is burning the sliding tubesC C are depressed, 7 5 as shown in Fig. l. To extinguish the llame theshaft D is turned in the direction to elevate the curved lever d, whichcarries up the block E, and with it the sliding tubes to which it isattached. Vhen the horizontal plate e 8o rises nearly to the top of thewick-tubes the spiral spring, acting upon said plate c, forces it upwardagainst the inwardly-projecting bases of the wings c c, and causes themto close suddenly over the wick-tubes, as shown 8 5 in Figs. 2 and 4t,and extinguish the flame. Vhen it is desired to relight the lamp theshaft D is turned in the direction to depress the curved lever d, whichcarries down the block E and the sliding tubes C G, causing the 9o wingsc c to assume a vertical position, as shown in Fig. l.

To adapt our invention to a lamp with a single wick-tube slightmodifications are made, as shown in Fi 0'. 4. In this case a plate, E,95 extending horizontally from the sliding tube C and rigidly attachedthereto, performs the function of the connecting-block E, (shown in theother gures,) and the L-shaped plate c performs the function ot' theplate c (shown roo in said other figures.) The vertical leg ot' saidplate e passes through a slot in the plate E, which secures to it acorrect vertical movement.

We do not limit ourselves to the use of the rock-shaft D, curved levercl, and stirrup E to elevate and depress the sliding extinguishing'-tubes, as other well-known equivalent devices for similar purposes-as,for instance, a rack andpinion-maybesubstituted Withoutchanging theprinciple of our invention.

What we claim as our invention is- 1. In combination With duplexWick-tubes, the sliding tubes C U, with the extinguishingwings c 0hinged thereto, the sliding block E, ith stirrup E', vertical stud e,horizontal plate .spring f, shaft' D, and curved lever d, all

constructed, combined, and arranged to operate substantially as shownand described.

2. In combination with a single Wick-tube, the slidin g tube C, withextension-plate E attached thereto and extinguishing Win g c hingedthereto, plate e, stirrup E', vertical stud e, spring j', shaft D, andcurved lever d, all constructed, combined, and arranged to operatesubstantially as set forth.

In testimonT that we claim the foregoing as our invention We havehereunto affixed our signatures in the presence of two Witnesses.

WILLIAM FREDERICK LOTZ. JOHN LEMON. Witnesses:

GEORGE W. MOGILL, ALFRED VoN HAETLIEB.

